| 词条 | Pseudichangia |
| 释义 |
|name = Pseudichangia |status = fossil |fossil_range = Late Botomian[1] |regnum = Animalia |phylum = Arthropoda |classis = Trilobita |ordo = Ptychopariida |superfamilia = Ellipsocephaloidea |familia = Estaingiidae |genus = Pseudichangia }} Pseudichangia is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the later part of the Botomian stage,[1] which lasted from approximately 524 to 518.5 million years ago. This faunal stage was part of the Cambrian Period. References1. ^1 {{cite journal | last = Sepkoski| first = Jack| authorlink =| coauthors =| title = A compendium of fossil marine animal genera (Trilobita entry)| journal = Bulletins of American Paleontology| volume = 364| issue =|page=560| publisher =| location =| year = 2002| url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class| doi =| id =| accessdate = 2008-01-12 }} {{Taxonbar|from=Q7254368}}{{Ptychopariida-stub}} 4 : Estaingiidae|Ptychopariida genera|Cambrian trilobites|Cambrian trilobites of Asia |
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